/* ============================================
   Pattberg Informationsmanagement – style.css
   Zentrale CSS-Datei für alle Seiten
   ============================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --white: #ffffff;
  --bg: #f5f5f7;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --border: #d2d2d7;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --dark: #1d1d1f;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--white);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.88);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  padding: 0 3rem;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--accent); font-weight: 500; }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.75rem 1.75rem;
  border-radius: 980px;
  transition: background 0.2s;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-ghost {
  display: inline-block;
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 400;
}

.btn-ghost:hover { text-decoration: underline; }

/* ── FOOTER ── */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 2.5rem 3rem;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer p { font-size: 0.78rem; color: var(--muted); }
footer a { color: var(--accent); text-decoration: none; }

/* ── GEMEINSAME ELEMENTE ── */
.section-eyebrow {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 3rem;
  max-width: 480px;
  line-height: 1.2;
}

/* ── STEERAI_V5 – HERO ── */
.hero {
  padding: 7rem 3rem 5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.08;
  color: var(--text);
  margin-bottom: 1.75rem;
  max-width: 720px;
}

h1 em {
  font-style: italic;
  font-weight: 300;
  color: var(--muted);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 620px;
  font-weight: 400;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

.hero-sub strong {
  color: var(--text);
  font-weight: 500;
}

.cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

/* ── STEERAI_V5 – STATEMENT ── */
.statement {
  background: var(--dark);
  color: #fff;
  padding: 5rem 3rem;
  text-align: center;
}

.statement h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
  max-width: 760px;
  margin: 0 auto 1.25rem;
}

.statement h2 span { color: #64d2ff; }

.statement p {
  font-size: 1rem;
  color: rgba(255,255,255,0.55);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ── STEERAI_V5 – SERVICES ── */
.services {
  padding: 6rem 3rem;
  max-width: 1080px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
}

.service-card {
  background: var(--white);
  padding: 2.5rem;
  transition: background 0.2s;
}

.service-card:hover { background: #fafafa; }

.service-num {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.75;
}

/* ── STEERAI_V5 – USP ── */
.usp {
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 4rem 3rem;
}

.usp-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.usp-item h4 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.usp-item p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ── STEERAI_V5 – APPROACH ── */
.approach {
  padding: 6rem 3rem;
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.approach h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.approach p {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.approach-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.step {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.step:last-child { border-bottom: none; }

.step-num {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  min-width: 24px;
  padding-top: 2px;
}

.step h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}

.step p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* ── STEERAI_V5 – CONTACT ── */
.contact {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 6rem 3rem;
}

.contact-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.contact-info h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.contact-info p {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-detail a {
  font-size: 0.9rem;
  color: var(--accent);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-detail a:hover { text-decoration: underline; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,113,227,0.12);
}

.form-group textarea { height: 130px; }

.form-submit {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.8rem 2rem;
  border-radius: 980px;
  cursor: pointer;
  transition: background 0.2s;
  align-self: flex-start;
}

.form-submit:hover { background: var(--accent-hover); }

.form-note {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

/* ── KERNGESCHAEFT_V5 – PAGE HEADER ── */
.page-header {
  padding: 5rem 3rem 3rem;
  max-width: 1080px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}

.breadcrumb {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
}

.breadcrumb a:hover { text-decoration: underline; }

.page-header h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 620px;
  line-height: 1.75;
}

/* ── KERNGESCHAEFT_V5 – CONTENT ── */
.content {
  max-width: 1080px;
  margin: 0 auto;
  padding: 4rem 3rem 6rem;
}

.leistungen {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  margin-bottom: 4rem;
}

.leistung-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  padding: 2rem 2.5rem;
  border-bottom: 1px solid var(--border);
  align-items: start;
  transition: background 0.2s;
}

.leistung-item:last-child { border-bottom: none; }
.leistung-item:hover { background: var(--bg); }

.leistung-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  padding-top: 2px;
}

.leistung-body p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.75;
}

.zielgruppe {
  background: var(--bg);
  border-radius: 18px;
  padding: 2.5rem;
  margin-bottom: 2rem;
}

.zielgruppe h2 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.zielgruppe p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.75;
  max-width: 700px;
}

.cta-bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-top: 1rem;
}

/* ── MOBILE ── */
@media (max-width: 768px) {
  nav { padding: 0 1.5rem; }
  .nav-links { display: none; }
  .hero { padding: 5rem 1.5rem 3rem; }
  .statement { padding: 4rem 1.5rem; }
  .services { padding: 4rem 1.5rem; }
  .services-grid { grid-template-columns: 1fr; }
  .usp-inner { grid-template-columns: 1fr; gap: 2rem; }
  .usp { padding: 3rem 1.5rem; }
  .approach { grid-template-columns: 1fr; gap: 3rem; padding: 4rem 1.5rem; }
  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
  .contact { padding: 4rem 1.5rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 0.5rem; text-align: center; }
  footer { padding: 2rem 1.5rem; }
  .page-header { padding: 4rem 1.5rem 2rem; }
  .content { padding: 3rem 1.5rem 4rem; }
  .leistung-item { grid-template-columns: 1fr; gap: 0.5rem; }
}

/* ── ANIMATIONEN ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero > * { animation: fadeUp 0.6s ease both; }
.hero > *:nth-child(1) { animation-delay: 0s; }
.hero > *:nth-child(2) { animation-delay: 0.1s; }
.hero > *:nth-child(3) { animation-delay: 0.2s; }
.hero > *:nth-child(4) { animation-delay: 0.3s; }